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Summary of Significant Accounting Policies (Details 1) (Put Option [Member]) | 12 Months Ended
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Sep. 30, 2012 | Sep. 30, 2011
Put Option [Member] |  |
Volatility | 32.00% | 37.00%
Expected life | 2 months 1 day | 1 year
Expected dividend yield | 0.00% | 0.00%
Risk free rate | 0.06% | 0.13%

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